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What is the rate of the reaction between sodium thiosulfate and hydrochloric acid at 25°C? How does it vary with respect to concentration changes in the reacting species?
asked
Feb 22
in
Inorganic Chemistry
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1
answer
38
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What is the most efficient method for synthesizing a highly pure sample of the coordination compound [Fe(H2O)6]Cl3, and how can this compound be characterized by spectroscopic techniques such as UV-Vis and IR spectroscopy?
asked
Feb 21
in
Coordination Chemistry
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1
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35
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How does the Langmuir adsorption isotherm change with a decrease in surface area of the adsorbent?
asked
Feb 20
in
Surface Chemistry
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1
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31
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How does the coordination chemistry of the metal center within a metalloenzyme or metalloprotein affect its catalytic activity towards a specific substrate?
asked
Feb 19
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Coordination Chemistry
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1
answer
23
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How does the concentration of surfactants affect the surface tension of water?
asked
Feb 19
in
Surface Chemistry
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1
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47
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How does the chain length of a polymer affect its properties such as radius of gyration and viscosity? Use Monte Carlo simulations to analyze different chain lengths and predict the behavior of the polymer under different conditions.
asked
Feb 18
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Computational Chemistry
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1
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37
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How does temperature affect the enzymatic activity of lactase in breaking down lactose in milk?
asked
Feb 17
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BioChemistry
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1
answer
34
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What are the polymerization reaction mechanisms involved in the synthesis of Nylon 6,6 and how do they affect the properties of the resulting polymer?
asked
Feb 14
in
Organic Chemistry
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votes
1
answer
34
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What is the effect of microplastics on the bioaccumulation of toxins in marine organisms?
asked
Feb 13
in
Environmental Chemistry
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1
answer
37
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What is the role of metal ions in the function of metalloenzymes and metalloproteins, and how does their coordination environment affect their catalytic activity?
asked
Feb 13
in
Coordination Chemistry
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1
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90
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How can we improve the efficiency of polymer-based drug delivery systems?
asked
Feb 13
in
Polymer Chemistry
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1
answer
73
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How does the geometry optimization of a molecule affect its electronic excitation energy?
asked
Feb 13
in
Computational Chemistry
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votes
1
answer
53
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How does the crystal field theory explain the color of transition metal complexes and how can it be used to predict the absorption spectra of these complexes?
asked
Feb 12
in
Coordination Chemistry
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1
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43
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How can the adhesive strength of polymer-based adhesives and sealants be improved without compromising their flexibility and durability?
asked
Feb 6
in
Polymer Chemistry
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1
answer
31
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How can computational methods be used to design and predict the properties of supramolecular assemblies formed by organic molecules?
asked
Feb 5
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Computational Chemistry
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1
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123
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Calculate the standard enthalpy change (∆H°) for the reaction between 50.0 mL of 0.100 M hydrochloric acid (HCl) and 50.0 mL of 0.100 M sodium hydroxide (NaOH), given that the temperature change was -5.01°C and the specific heat capacity of the solution is 4.18 J/g°C. The balanced chemical equation for the reaction is:HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)Note: Assume the density of the solutions is 1.00 g/mL and that the specific heat capacity of the solutions is the same as that of water.
asked
Feb 3
in
Chemical thermodynamics
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1
answer
82
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What are the effects of branching and crosslinking on the physical properties of polymers? Provide specific examples of how branching and crosslinking affect the glass transition temperature, crystallinity, and mechanical properties of polymers.
asked
Jan 31
in
Physical Chemistry
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1
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102
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How does aspirin (acetylsalicylic acid) inhibit the formation of prostaglandins and thromboxanes, and what specific interactions occur between aspirin and the enzymes involved in these processes?
asked
Jan 31
in
Medicinal Chemistry
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1
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16
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What is the most favorable reaction pathway for the synthesis of methane (CH4) from hydrogen gas (H2) and carbon monoxide (CO) using Monte Carlo simulations of gas-phase reactions?
asked
Jan 31
in
Computational Chemistry
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1
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95
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What are the most effective strategies for overcoming difficulty in understanding complex chemical concepts, and how can they be applied to your current study of chemistry?
asked
Jan 30
in
Chemical education
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